The Bolt,shear, cataloged under National Stock Number 5306-01-258-8201, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Fairchild Fasteners Europe - Vsd Gmbh. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-258-8201 |
| Primary Part Number | VS3218-4-21 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Fairchild Fasteners Europe - Vsd Gmbh |
| Status | ACTIVE |
| Head Height | 0.250 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN |
| Fastener Length | 0.330 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN |
| Thread Length | 0.488 INCHES MINIMUM AND 0.493 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.167 INCHES MINIMUM AND 0.182 INCHES MAXIMUM IN |
| Width Between Flats | 0.836 INCHES NOMINAL IN |
| Grip Diameter | 0.4985 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| VS3218-4-21 | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| ST3M807-4-21 | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| VS3218-4-21 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-258-8201 is a Bolt,shear, manufactured by Fairchild Fasteners Europe - Vsd Gmbh, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-258-8201 has 2 manufacturer part numbers on file: VS3218-4-21 (Fairchild Fasteners Europe - Vsd Gmbh), ST3M807-4-21 (The Boeing Company Div Defense).
Key specifications for VS3218-4-21: Head Height: 0.250 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN; Fastener Length: 0.330 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN; Thread Length: 0.488 INCHES MINIMUM AND 0.493 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.500 INCHES IN. 13 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.